RCA Cunningham 5Z3 Vacuum Tube Black Plate Rectifier Shoulder ST Shape

RCA Cunningham 5Z3 Vacuum Tube Black Plate Rectifier Shoulder ST ShapeThis RCA Cunningham 5Z3 rectifier tube was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. It tested 48 in Section One and 46 in Section Two where minimum (65%) is 40 40 and 100% is 62 62. It has a tall, engraved stamped base; black plates, copious amounts of flashing and a nice, old fashioned shoulder bottle. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE

round mica spacers and double-D getters

This EP is a music sampler recorded in Soviet-occupied Lithuania in 1963 featuring Shostakovitch

This matched quad of RCA 6FQ7 / 6CG7 dual triodes was tested on our TV7 for shorts

53/50 and 60/61 where minimum (65%) is 38/38

This matched pair of new old stock

top to bottom) 39

Coke bottle-shaped bottle

THE PRODUCT DEVELOPMENT AND IMPROVEMENT CYCLE IS OVER

This tube has triple mica spaces and two additional support rods for vibration and microphonics suppression

They were cleaned on my VPI 16

All I can tell you about this new old stock

harp getters